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Make sets and deques weak referencable.

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This commit is contained in:
Raymond Hettinger 2004-05-30 07:26:47 +00:00
parent d70ad8a9d9
commit 691d80532b
5 changed files with 32 additions and 6 deletions
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12
Objects/setobject.c
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@ -1,4 +1,5 @@
#include "Python.h"
#include "structmember.h"
/* set object implementation
written and maintained by Raymond D. Hettinger <python@rcn.com>
@ -61,6 +62,7 @@ make_new_set(PyTypeObject *type, PyObject *iterable)
}
so->data = data;
so->hash = -1;
so->weakreflist = NULL;
if (iterable != NULL) {
tmp = set_update(so, iterable);
@ -113,6 +115,8 @@ static void
set_dealloc(PySetObject *so)
{
PyObject_GC_UnTrack(so);
if (so->weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) so);
Py_XDECREF(so->data);
so->ob_type->tp_free(so);
}
@ -1009,12 +1013,12 @@ PyTypeObject PySet_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
set_doc, /* tp_doc */
(traverseproc)set_traverse, /* tp_traverse */
(inquiry)set_tp_clear, /* tp_clear */
(richcmpfunc)set_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
(getiterfunc)set_iter, /* tp_iter */
0, /* tp_iternext */
set_methods, /* tp_methods */
@ -1104,12 +1108,12 @@ PyTypeObject PyFrozenSet_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_CHECKTYPES |
Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
frozenset_doc, /* tp_doc */
(traverseproc)set_traverse, /* tp_traverse */
0, /* tp_clear */
(richcmpfunc)set_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(PySetObject, weakreflist), /* tp_weaklistoffset */
(getiterfunc)set_iter, /* tp_iter */
0, /* tp_iternext */
frozenset_methods, /* tp_methods */